Highly Efficient Gradient Solid Immersion Lens with Large Numerical Aperture for Broadband Achromatic Deep Subwavelength Focusing and Magnified Far Field
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202100509
Abstract: Achromatic deep subwavelength lens with large numerical aperture (NA) is in urgent need in several fields, from optical imaging, photolithography, spectroscopy, nanophotonics to microwave engineering and sensing. However, the previous proposed approaches to achieve deep… read more here.
Keywords: subwavelength; magnified far; far field; deep subwavelength ... See more keywords
Subwavelength focusing by combining negative-refractive photonic crystal and silicon lens
Sign Up to like & getrecommendations! Published in 2019 at "Optical Materials Express"
DOI: 10.1364/ome.9.003962
Abstract: We propose a new and dynamically focusable subwavelength focusing system, consisting of a negatively refracting photonic crystal and a single silicon lens. The system can adjust the focal length in the range of 370 nm… read more here.
Keywords: subwavelength focusing; focusing combining; silicon lens; photonic crystal ... See more keywords